3分钟关于全球变暖的英语演讲稿.docx
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3分钟关于全球变暖的英语演讲稿.docx
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3分钟关于全球变暖的英语演讲稿
3分钟关于全球变暖的英语演讲稿
3分钟关于全球变暖的英语演讲稿1
InrecentyearsdoyouthinktheweathersuddenlyturnedhothadthecoolautumnnowalmostuntilearlyOctoberthehottestdayinAugusthasreachedmorethan40degrees.Theseisdifferentfromnormalvisionwehaveourselvestoblamethecurse.
Todaytheterm"globalwarming"hasgraduallypenetratedintoourlife.Thewordsoundsveryacademicevenfeelveryfarawayfromussosomepeoplearenot.Infacttheeffectsofglobalwarmingisbeyondourimagination:
globalprecipitationredistributionglaciersandpermafrostmeltrisingsealevelsandsoon.Bothharmthenaturalecosystembalaneemorethreateninghumanfoodsupplyandlivingenvironment.
Nowthatyouhaveawareofthedangersofglobalwarmingyoushouldgotopredictandimproveit.Imagineifglobalwarmingismeltinginthe21stcenturytheglobalaveragetemperaturerisinggraduallysothenextsuperstormsthenextroundofsearingheatthenextmajornaturaldisasterswillhappen?
China?
TheUnitedStates?
Japan?
Nooneknows.Thedebatehasended.Scientistsaroundtheworldagreepointsoutthattheearthsaveragetemperaturehasincreasednearly1°C.Duetoalltheearlywarninginformationhumanuseofthousandsofshipstensofthousandsofthemonitoringstationsofthelandandouterspacesatellitetomonitortheearthtogether.Scientistswillhavethemostadvaneedcomputerdatainputmodeltoestimatetheearthcanfacethefuture.Predictionresultsareworrying.FortyyearslatertheHimalayanglaciersthewatertothesurvivalofmillionsofpeoplearelikelytodisappear.TheGreenlandicesheetcouldmeltin50years.Currentlyhalfoftheworldsbiodiversityintheamazonrainforestbuttherainforestislikelytoturnintoapieceofbarrenlandbytheendofthecentury.Islikelytobethefutureoftheworldlikeinthemovie“thedayaftertomorrow"tornadoicefracturethetemperaturefellsharplyicestormsfreezingrainearthquakefloodtsunamivolcaniceruption…Thisisnotacrazyfantasyifhumansdontstopdestroyingtheenvironmentitwillbecomeareality!
Howeverinthewarmingisalsogood.Globalwarmingonriceinheilongjiangprovineehasplayedalargerole.
Justglobalwarmingtohumanfuturedevelopmentisstillthedomoreharmthangood.
Inordertosavetheplanetweshouldtrytobe:
dontopenairconditioninguserecycledpaperenvironmentaiprotectiontoleavethemeatwithnitrousoxidedontuseplasticbagsR22bybus;R22;Littledropsoflife.Actuallyitsnotdifficulttoenvironmentaiprotectionaslongasyousupportenvironmentaiprotectionisthebestgiftyougavetheplanet.
Thankyouall!
3分钟关于全球变暖的英语演讲稿2
Manypeoplebelievethathumanactivityiscausingtheearth'stemperaturetorise.Theysaythatthisglobalwarmingwillhavedreadfulconsequencesforourenvironment,suchasdroughtandflooding.
Theearth'stemperatureisrapidlychanging.Asaresulttherehasbeenalotofclimatechangesuchasheatwaves,droughtsandfloods.Scientistsbelievethatthisistheresultofhumanactivity,whichispollutingtheEarth'satmosphere.Thiscouldbecomeadisasterifgovernmentsdonotacttohelppreventglobalwarming.Theycanactinthreeways;bysupportingresearch,bymakinglawsandbykeepingthegeneralpublicinformed.
Firstly,governmentscansupportresearch.Forexample,theyshouldencouragecompaniestodevelopvehiclesthatcauselesspollution.Theyshouldalsosupportalternativesourcesofelectricityfromwindandwaterratherthanfromoilandcoal.Aswell,theyshouldsponsorconferencestodiscusstheeffectsofgreenhousegasemissionsandpossiblesolutionstotheproblem.
Secondly,theyshouldmakelawsthatlimittheamountofgreenhousegasesthatcompaniescanemit.Privatecompaniesshouldberewardedforfollowingtheselaws.Theyshouldalsobepunishedforcreatingpollution.
Pinally,everybodyisaffectedbyglobalwarming.Therefore,itisimportsntthatgovernmentsinvolveindividualsintheproblemsolvingprocess.Forexampletheyshouldencouragehouseholdstosaveasmuchenergyaspossiblebyusingmoreefficientlightbulbsorlesshotwater.Theyshouldalsoencouragethepublictorecycle,andthisshouldbecompulsoryforeveryone.Anotherwayofsavingenergyisbypublictransportsystems.Governmentsshouldspendmoneyonpublictransporttomakeitaseasyaspossibleforthepublictosaveenergy.
Insummary,itisclearthattherearealotofthingsthatgovernmentscandotopreventglobalwarming.Theyshouldinvolvecompanies,supportscientistsandencourageindividualstoprotecttheplanet.
3分钟关于全球变暖的英语演讲稿3
globalwarmingthegradualincreaseofthetemperatureoftheearthsloweratmosphereasaresultoftheincreaseingreenhousegasessincetheIndustrialRevolution.
Thetemperatureoftheatmosphereneartheearthssurfaceiswarmedthroughanaturalprocesscalledthegreenhouseeffect.Visibleshortwavelightcomesfromthesuntotheearthpassingunimpededthroughablanketofthermalorgreenhousegasescomposedlargelyofwatervaporcarbondioxidemethanenitrousoxideandozone.Infraredradiationreflectsofftheplanetssurfacetowardspacebutdoesnoteasilypassthroughthethermalblanket.Someofitistrappedandreflecteddownwardkeepingtheplanetatanaveragetemperaturesuitabletolifeabout60°F(16°C).
GrowthinindustryagricultureandtransportationsincetheIndustrialRevolutionhasproducedadditionalquantitiesofthenaturalgreenhousegasespluschlorofluorocarbonsandothergasesaugmentingthethermalblanket.Itisgenerallyacceptedthatthisincreaseinthequantityofgreenhousegasesistrappingmoreheatandincreasingglobaltemperaturesmakingaprocessthathasbeenbeneficialtolifepotentiallydisruptiveandharmful.Duringthepastcenturytheatmospherictemperaturehasrisenl.lT(0.6°C)andsealevelhasrisenseveralinches.SomeprojectedIonger-termresultsofglobalwarmingineludemeltingofpolaricewitharesultingriseinsealevelandcoastalflooding;disruptionofdrinkingwatersuppliesdependentonsnowmelts;profoundchangesinagricultureduetoclimatechange;extinotionofspeciesasecologicalnichesdisappear;morefrequenttropicalstorms;andanincreasedincidenceoftropicaldiseases.
ImprovedautomobilemileagereforestationprojectsenergyefficiencyinconstructionandnationalsupportformasstransitareamongrelativelysimpleradjustmentsthatcouldsignificantlylowerU.S.productionofgreenhousegases.Moreaggressiveadjustmentsineludeagradualworldwideshiftawayfromtheuseoffossilfuelstheeliminationofchlorofluorocarbonsandtheslowingofdeforestationbyrestructuringtheeconomiesofdevelopingnations.In20_theBushadministrationproposedseveralvoluntarymeasuresforslowingtheincreaseininsteadofreducingemissionsofgreenhousesgases.
3分钟关于全球变暖的英语演讲稿4
GlobalWarming
Thereislittledoubtthattheplanetiswarming.Overthelastcentury,theplanetstemperaturehasrisenbyaround1degreefahrenheit(0.6ofadegreeCelsius).Thewarmestsincethemid1800'swasthe1990s.Thehottestyearsrecordedwere1997,1998,2001,2002,2003.
TheUnitedNationspanelonclimatechangeprojectsthattheglobaltemperatureswillrise3-10degreesfahrenheitbythecentury'send-enoughtohavethepolarcapsallbutmelted.Iftheicecapsmelt,avastmajorityofourcountriesborderswillbeunderwater.Monumentsandgreatbuildings,aswellashomesandliveswillbeunderwater,ineludingNewYorkCity.
Sonowweknowwhatsomeofthecausesareforglobalwarming,howcanweasindividualsdoourparttohelpsavetheplanet?
Theanswerissimplerthanyoumaythink.Youdon'thavetogomilesawayfromhometoprotest,orspendmassesofmoney.IfyoutrytofollowthefewsimplestepsthatIshallnowgiveyou,youwillhavestartedtohelpusall.
Firstly,plantatree.Thiscouldbeeasierthanitsounds.Joinorhelpoutalocalwildlifegroupandasktoplantatree.Trees,whenfullygrown,willhelpkeeptheplanetcooler.Onthesamepoint,youcouldprotestagainstthedemolitionoftherainforests.Thisisthesameprinciple,weneedthetreestocoolourplanetandyettheyarechoppingthemdowntocreateroadsorhomes.
Somethingassimpleaswalkinginsteadoftakingthecarwillhelpreducepollution.Aswellasstoppingpollution,youaregivingyourselfexercise,somethingimportantforourbodies.Sothenexttimeyougetintoyourcar,oryourmotorbike,think-doIhavetomakethisjourneybyvehicleorcanIwalk?
Whenyouareathome,andyourgettingalittlecold.Putajumperonanddonotadjusttheheating.Theextraheatproducedbyourhomesalsoaffectstheplanet.Sotrywearinganextralayerinwinter.
Ifpossible,buyyourfruitandvegetablesfromlocalsuppliers.Andtrytoavoidimportedgoods.Themoreforeignfoodthatweimportthemorepollutionfromaeroplanesandboatsitwillcreate.
Keepingtothespeedlimitcanalsohelptheenvironment.Themoreyouspeedthemorepetrolyouaregoingtouse,makingthepollutionhigher.Also,SUV'smakeaboutsixtimestheirownweightinCO2eachyear.Asmallefficientdieselcarcoveringthesamedistaneenotonlyusesmuchlessfuel;itmakestwothirdsless.
Ifpossibleusesolarenergy,afterallitisfree;allyouneedtobuyistheequipment.Youcangetmuchofyourhotwaterandheatingfromthesunandevengenerateelectricity.
Reduce,reuseandrecycle.Onlybuywhatyouneed;don'tstockthecupboardswiththingsyoumayormaynotuse.Reusewhateveryoucan,likecontainersandpaper,andrecyclewhatyoucannotreuse.Itreallyisassimpleasthat.
Fina
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